Lubricating base oil compositions

Details Lubricating base oil compositions Lubricating base oil compositions

1981-07-09

1983-05-31

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208211, E10G 4500

Patent

active

043859844

ABSTRACT:
Lubricating base oil compositions having improved stability comprise a major amount of a base oil which has been prepared from a vacuum distillate (VD) or deasphalted oil (DAO) by severe hydrotreating optionally in combination with solvent refining, and a minor amount of an oil which has been prepared from a VD or DAO by a combination of mild hydrotreating and solvent refining.

REFERENCES:
patent: 3902991 (1975-09-01), Christensen et al.
patent: 3904507 (1974-01-01), Mills

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